124134642 has 24 divisors (see below), whose sum is σ = 269268480. Its totient is φ = 41330520.

The previous prime is 124134641. The next prime is 124134649. The reversal of 124134642 is 246431421.

It is a happy number.

124134642 is a `hidden beast` number, since 1 + 2 + 4 + 13 + 4 + 642 = 666.

It is not an unprimeable number, because it can be changed into a prime (124134641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14359 + ... + 21317.

It is an arithmetic number, because the mean of its divisors is an integer number (11219520).

Almost surely, 2^124134642 is an apocalyptic number.

124134642 is an abundant number, since it is smaller than the sum of its proper divisors (145133838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124134642 is a wasteful number, since it uses less digits than its factorization.

124134642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7958 (or 7955 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 124134642 is about 11141.5726897059. The cubic root of 124134642 is about 498.8435164874.

The spelling of 124134642 in words is "one hundred twenty-four million, one hundred thirty-four thousand, six hundred forty-two".